87954785 has 8 divisors (see below), whose sum is σ = 105654120. Its totient is φ = 70291584.

The previous prime is 87954751. The next prime is 87954817. The reversal of 87954785 is 58745978.

It can be written as a sum of positive squares in 4 ways, for example, as 43652449 + 44302336 = 6607^2 + 6656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87954785 - 2²⁶ = 20845921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350 + ... + 13679.

It is an arithmetic number, because the mean of its divisors is an integer number (13206765).

Almost surely, 2^87954785 is an apocalyptic number.

It is an amenable number.

87954785 is a deficient number, since it is larger than the sum of its proper divisors (17699335).

87954785 is a wasteful number, since it uses less digits than its factorization.

87954785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18067.

The product of its digits is 2822400, while the sum is 53.

The square root of 87954785 is about 9378.4212424054. The cubic root of 87954785 is about 444.7198253206.

The spelling of 87954785 in words is "eighty-seven million, nine hundred fifty-four thousand, seven hundred eighty-five".